1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/installer/util/firewall_manager_win.h"
6
7#include "base/files/file_path.h"
8#include "base/strings/string16.h"
9#include "chrome/installer/util/advanced_firewall_manager_win.h"
10#include "chrome/installer/util/browser_distribution.h"
11#include "chrome/installer/util/install_util.h"
12#include "chrome/installer/util/l10n_string_util.h"
13#include "chrome/installer/util/legacy_firewall_manager_win.h"
14
15#include "installer_util_strings.h"  // NOLINT
16
17namespace installer {
18
19namespace {
20
21const uint16 kDefaultMdnsPort = 5353;
22
23class FirewallManagerAdvancedImpl : public FirewallManager {
24 public:
25  FirewallManagerAdvancedImpl() {}
26  virtual ~FirewallManagerAdvancedImpl() {}
27
28  bool Init(const base::string16& app_name, const base::FilePath& app_path) {
29    return manager_.Init(app_name, app_path);
30  }
31
32  // FirewallManager methods.
33  virtual bool CanUseLocalPorts() OVERRIDE {
34    return !manager_.IsFirewallEnabled() || manager_.HasAnyRule();
35  };
36
37  virtual bool AddFirewallRules() OVERRIDE {
38    return manager_.AddUDPRule(GetMdnsRuleName(), GetMdnsRuleDescription(),
39                               kDefaultMdnsPort);
40  }
41
42  virtual void RemoveFirewallRules() OVERRIDE {
43    manager_.DeleteAllRules();
44  }
45
46 private:
47  static base::string16 GetMdnsRuleName() {
48#if defined(GOOGLE_CHROME_BUILD)
49    if (InstallUtil::IsChromeSxSProcess())
50      return GetLocalizedString(IDS_INBOUND_MDNS_RULE_NAME_CANARY_BASE);
51#endif
52    return GetLocalizedString(IDS_INBOUND_MDNS_RULE_NAME_BASE);
53  }
54
55  static base::string16 GetMdnsRuleDescription() {
56#if defined(GOOGLE_CHROME_BUILD)
57    if (InstallUtil::IsChromeSxSProcess())
58      return GetLocalizedString(IDS_INBOUND_MDNS_RULE_DESCRIPTION_CANARY_BASE);
59#endif
60      return GetLocalizedString(IDS_INBOUND_MDNS_RULE_DESCRIPTION_BASE);
61  }
62
63  AdvancedFirewallManager manager_;
64  DISALLOW_COPY_AND_ASSIGN(FirewallManagerAdvancedImpl);
65};
66
67class FirewallManagerLegacyImpl : public FirewallManager {
68 public:
69  FirewallManagerLegacyImpl() {}
70  virtual ~FirewallManagerLegacyImpl() {}
71
72  bool Init(const base::string16& app_name, const base::FilePath& app_path) {
73    return manager_.Init(app_name, app_path);
74  }
75
76  // FirewallManager methods.
77  virtual bool CanUseLocalPorts() OVERRIDE {
78    return !manager_.IsFirewallEnabled() ||
79        manager_.GetAllowIncomingConnection(NULL);
80  };
81
82  virtual bool AddFirewallRules() OVERRIDE {
83    // Change nothing if rule is set.
84    return manager_.GetAllowIncomingConnection(NULL) ||
85        manager_.SetAllowIncomingConnection(true);
86  }
87
88  virtual void RemoveFirewallRules() OVERRIDE {
89    manager_.DeleteRule();
90  }
91
92 private:
93  LegacyFirewallManager manager_;
94  DISALLOW_COPY_AND_ASSIGN(FirewallManagerLegacyImpl);
95};
96
97}  // namespace
98
99FirewallManager::~FirewallManager() {}
100
101// static
102scoped_ptr<FirewallManager> FirewallManager::Create(
103    BrowserDistribution* dist,
104    const base::FilePath& chrome_path) {
105  // First try to connect to "Windows Firewall with Advanced Security" (Vista+).
106  scoped_ptr<FirewallManagerAdvancedImpl> manager(
107      new FirewallManagerAdvancedImpl());
108  if (manager->Init(dist->GetDisplayName(), chrome_path))
109    return manager.PassAs<FirewallManager>();
110
111  // Next try to connect to "Windows Firewall for Windows XP with SP2".
112  scoped_ptr<FirewallManagerLegacyImpl> legacy_manager(
113      new FirewallManagerLegacyImpl());
114  if (legacy_manager->Init(dist->GetDisplayName(), chrome_path))
115    return legacy_manager.PassAs<FirewallManager>();
116
117  return scoped_ptr<FirewallManager>();
118}
119
120FirewallManager::FirewallManager() {
121}
122
123}  // namespace installer
124